Home / 13,941.48-19,239.96-7,973.40

Finding the Fourth Proportional to 13,941.48, 19,239.96 and 7,973.40

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Solution

The fourth proportional to 13,941.48, 19,239.96 and 7,973.40 is: 11,003.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.48 : 19,239.96 = 7,973.40 : x
  2. Step 2: Convert to fraction form
    13,941.48/19,239.96 = 7,973.40/x
  3. Step 3: Cross multiply
    13,941.48x = 19,239.96 × 7,973.40
  4. Step 4: Simplify right side
    13,941.48x = 153,407,897.06
  5. Step 5: Solve for x
    x = 153,407,897.06/13,941.48
  6. Step 6: Final answer
    x = 11,003.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.